Río Morocoto, 6 km W of Guariquén (Cretaceous of Venezuela)

Where: Sucre, Venezuela (10.3° N, 62.9° W: paleocoordinates 8.2° N, 31.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Late/Upper Aptian (122.5 - 112.0 Ma)

• STRATIGRAPHIC RELATIONS: From an unknown lithostartigraphic unit. AGE: Late Aptian. STRATIGRAPHIC POSITION: From unknown position within formation.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, sideritic shale

• SPECIFIC LITHOLOGY: Shale. LITHIFICATION: Lithified, on the basis of figured specimens.

Size class: macrofossils

Preservation: mold/impression, replaced with siderite

Reposited in the NMB

Collection methods: surface (float),

• COLLECTOR: Multiple collectoprs. REPOSITORY: Guillaume collection, Compania Shell de Venezuela; Museum of Natural History, Basel.

Primary reference: O. Renz. 1982. The Cretaceous ammonites of Venezuela 1-132 [A. Hendy/A. Hendy/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 87923: authorized by Austin Hendy, entered by Austin Hendy on 28.03.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for ammonites. NOMENCLATURE: Authoritative publication, with modern nomenclature, and species-resolution identifications.
Cephalopoda
 Ammonitida - Parahoplitidae
Diadochoceras aff. nodosocostatum d'Orbigny 1841 ammonite
 Ammonitida - Acanthohoplitidae
"Acanthoplites nolani" = Nolaniceras nolani
"Acanthoplites nolani" = Nolaniceras nolani Seunes 1887 ammonite